3afdo
3ado, if the attempt is made to use it as an actual scale, would divide the octave into three arithmetically equal parts. The notes of this ADO form a 3:4:5 triad (first inversion major triad).
Intervals
| # | Cents | Ratio | Decimal | Interval name | Audio |
|---|---|---|---|---|---|
| 0 | 0.0 | 1/1 | 1.000 | perfect unison | |
| 1 | 498.0 | 4/3 | 1.333 | just perfect fourth | |
| 2 | 884.4 | 1.667 | 5/3 | just major sixth | |
| 3 | 1200.0 | 2/1 | 2.000 | perfect octave |